The HANNA HI 764 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate ...

The Hanna Instruments HI 707 is a hand-held colorimeter for testing low ranges of nitrites. It is designed as an accurate alternative to chemical test kits.

The Hanna Instruments HI 708 is a hand-held colorimeter for testing high ranges of nitrites. It is designed as an accurate alternative to chemical test kits.

The HANNA HI 770 Checker®HC is accurate and affordable. This portable handheld colorimeter features a resolution of 1 ppm (200 points) and ±2 ppm ±5 % of ...

The Hanna Instruments HI 716 is a hand-held colorimeter for testing Bromine. It is designed as an accurate alternative to chemical test kits.

Colorimeter > HI 713 Phosphate Colorimeter Starting Range: 0.00 to 2.50 ppm(mg/L)

The Hanna Instruments HI 736 is a Phosphorous tester by Checker HC.

Colorimeter > HI 706 Colorimeter Starting Range 0.0 to 15.0 ppm.

HI701-25 HANNA Reagents for 25 tests ชุดน้ำยาคลอรีนแบบผง 25 ชุด เป็นชุดน้ำยาคลอรีน 25 ซองสำหรับ ใช้กับเครื่องวัดฟอสเฟต HI 701 ปฏิกิริยาระหว่างรีเอเจนต์และคลอรีนในตัวอย่าง ทำให้โทนสีชมพูปรากฏขึ้นซึ่งวัดโดยมิเตอร์ ...

True color is caused by dissolved compounds in water. It can be natural or artificial. Dissolved and suspended solids (together) cause apparent color.

There are two natural forms of ionic chromium, the hexavalent ion, Cr (VI) and the trivalent Cr (III). Cr (III) is much less toxic than Cr (VI) and seldom found in potable waters. Cr (VI), however, is toxic to humans ...

Liquid Reagents for Alkalinity Checker HC